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OMAP: DSS2: DSI: add dsi_bus_is_locked()
Helper function to clean up the checking of the bus lock. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
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@ -309,6 +309,11 @@ void dsi_bus_unlock(void)
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}
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EXPORT_SYMBOL(dsi_bus_unlock);
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static bool dsi_bus_is_locked(void)
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{
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return mutex_is_locked(&dsi.bus_lock);
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}
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static inline int wait_for_bit_change(const struct dsi_reg idx, int bitnum,
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int value)
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{
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@ -1959,7 +1964,7 @@ static int dsi_vc_send_bta(int channel)
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(dsi.debug_write || dsi.debug_read))
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DSSDBG("dsi_vc_send_bta %d\n", channel);
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WARN_ON(!mutex_is_locked(&dsi.bus_lock));
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WARN_ON(!dsi_bus_is_locked());
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if (REG_GET(DSI_VC_CTRL(channel), 20, 20)) { /* RX_FIFO_NOT_EMPTY */
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DSSERR("rx fifo not empty when sending BTA, dumping data:\n");
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@ -2010,7 +2015,7 @@ static inline void dsi_vc_write_long_header(int channel, u8 data_type,
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u32 val;
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u8 data_id;
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WARN_ON(!mutex_is_locked(&dsi.bus_lock));
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WARN_ON(!dsi_bus_is_locked());
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/*data_id = data_type | channel << 6; */
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data_id = data_type | dsi.vc[channel].dest_per << 6;
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@ -2105,7 +2110,7 @@ static int dsi_vc_send_short(int channel, u8 data_type, u16 data, u8 ecc)
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u32 r;
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u8 data_id;
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WARN_ON(!mutex_is_locked(&dsi.bus_lock));
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WARN_ON(!dsi_bus_is_locked());
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if (dsi.debug_write)
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DSSDBG("dsi_vc_send_short(ch%d, dt %#x, b1 %#x, b2 %#x)\n",
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@ -2895,7 +2900,7 @@ static int dsi_set_update_mode(struct omap_dss_device *dssdev,
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int r = 0;
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int i;
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WARN_ON(!mutex_is_locked(&dsi.bus_lock));
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WARN_ON(!dsi_bus_is_locked());
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if (dsi.update_mode != mode) {
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dsi.update_mode = mode;
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